Pistol rear sight



FIG. 1 is a perspective view of a pistol rear sight showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a right-side elevational view thereof rotated counterclockwise 90 degrees;

FIG. 4 is a front elevational view thereof, the rear being a mirror image thereof;

FIG. 5 is a left-side elevational view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a pistol rear sight, as shown and described. 